Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

12th July 1999

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Fractional and Negative Indices3 marks
Work out 25^(3/2).
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 10, work out y when x = -1.
3
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 7 cm and angle 180°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
18 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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